package com.example.sandbox_voice;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.Bundle;
import android.speech.RecognizerIntent;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;

public class MainActivity extends Activity {
	private static final int REQUEST_CODE = 1234;

	// private ListView wordsList;

	/**
	 * Called with the activity is first created.
	 */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		Button speakButton = (Button) findViewById(R.id.speakButton);

		// wordsList = (ListView) findViewById(R.id.list);

		// Disable button if no recognition service is present
		PackageManager pm = getPackageManager();
		List<ResolveInfo> activities = pm
				.queryIntentActivities(new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH), 0);
		if (activities.size() == 0) {
			speakButton.setEnabled(false);
			speakButton.setText("Recognizer not present");
		}
	}

	/**
	 * Handle the action of the button being clicked
	 */
	public void speakButtonClicked(View v) {
		startVoiceRecognitionActivity();
	}

	/**
	 * Fire an intent to start the voice recognition activity.
	 */
	private void startVoiceRecognitionActivity() {
		Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
		intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
		intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "Diabeco");
		startActivityForResult(intent, REQUEST_CODE);
	}

	/**
	 * Handle the results from the voice recognition activity.
	 */
	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		if (requestCode == REQUEST_CODE && resultCode == RESULT_OK) {
			// Populate the wordsList with the String values the recognition engine thought it heard
			ArrayList<String> matches = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
			// wordsList.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, matches));

			String firstMatch = matches.iterator().next();
			TextView speakedText = (TextView) findViewById(R.id.speakedText);
			speakedText.setText(firstMatch);

			ImageView imgView;
			imgView = (ImageView) findViewById(R.id.imageView);

			boolean showImage = false;
			if (firstMatch.contains("glucosa")) {
				imgView.setImageResource(R.drawable.ic_glucosa);
				showImage = true;
			} else if (firstMatch.contains("peso")) {
				imgView.setImageResource(R.drawable.ic_weight);
				showImage = true;
			} else if (firstMatch.contains("altura")) {
				imgView.setImageResource(R.drawable.ic_height);
				showImage = true;
			}
			if (showImage) {
				imgView.setVisibility(ImageView.VISIBLE);
			} else {
				imgView.setVisibility(ImageView.INVISIBLE);
			}
			
		}
		super.onActivityResult(requestCode, resultCode, data);
	}
}
